diff --git a/.version b/.version
index 2e12e4762..54f72863f 100644
--- a/.version
+++ b/.version
@@ -1 +1 @@
-2.9.14
+2.9.15
diff --git a/Jenkinsfile b/Jenkinsfile
index 860c88d0e..1b7446924 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -62,14 +62,14 @@ pipeline {
 		stage('Backend') {
 			steps {
 				echo 'Checking Syntax ...'
-				sh 'docker pull node:latest'
+				sh 'docker pull nginxproxymanager/nginx-full:certbot-node'
 				// See: https://github.com/yarnpkg/yarn/issues/3254
 				sh '''docker run --rm \\
 					-v "$(pwd)/backend:/app" \\
 					-v "$(pwd)/global:/app/global" \\
 					-w /app \\
-					node:latest \\
-					sh -c "ln -s /usr/bin/python3 /usr/bin/python && yarn install && yarn eslint . && rm -rf node_modules"
+					nginxproxymanager/nginx-full:certbot-node \\
+					sh -c "yarn install && yarn eslint . && rm -rf node_modules"
 				'''
 
 				echo 'Docker Build ...'
diff --git a/README.md b/README.md
index 64c7c7ab6..903e243df 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 <p align="center">
 	<img src="https://nginxproxymanager.com/github.png">
 	<br><br>
-	<img src="https://img.shields.io/badge/version-2.9.14-green.svg?style=for-the-badge">
+	<img src="https://img.shields.io/badge/version-2.9.15-green.svg?style=for-the-badge">
 	<a href="https://hub.docker.com/repository/docker/jc21/nginx-proxy-manager">
 		<img src="https://img.shields.io/docker/stars/jc21/nginx-proxy-manager.svg?style=for-the-badge">
 	</a>
@@ -511,6 +511,12 @@ Special thanks to the following contributors:
 				<br /><sub><b>Pius Walter</b></sub>
 			</a>
 		</td>
+		<td align="center">
+			<a href="https://github.com/troykelly">
+				<img src="https://avatars.githubusercontent.com/u/4564803?v=4" width="80" alt=""/>
+				<br /><sub><b>Troy Kelly</b></sub>
+			</a>
+		</td>
 	</tr>
 </table>
 <!-- markdownlint-enable -->
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 00976918e..a976ade2c 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -3,7 +3,7 @@
 
 # This file assumes that the frontend has been built using ./scripts/frontend-build
 
-FROM nginxproxymanager/nginx-full:node
+FROM nginxproxymanager/nginx-full:certbot-node
 
 ARG TARGETPLATFORM
 ARG BUILD_VERSION
diff --git a/docker/dev/Dockerfile b/docker/dev/Dockerfile
index 0baf7f386..d2e2266a1 100644
--- a/docker/dev/Dockerfile
+++ b/docker/dev/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginxproxymanager/nginx-full:node
+FROM nginxproxymanager/nginx-full:certbot-node
 LABEL maintainer="Jamie Curnow <jc@jc21.com>"
 
 ENV S6_LOGGING=0 \
diff --git a/docker/rootfs/etc/nginx/conf.d/include/proxy.conf b/docker/rootfs/etc/nginx/conf.d/include/proxy.conf
index e2cb451ef..fcaaf0038 100644
--- a/docker/rootfs/etc/nginx/conf.d/include/proxy.conf
+++ b/docker/rootfs/etc/nginx/conf.d/include/proxy.conf
@@ -2,8 +2,6 @@ add_header       X-Served-By $host;
 proxy_set_header Host $host;
 proxy_set_header X-Forwarded-Scheme $scheme;
 proxy_set_header X-Forwarded-Proto  $scheme;
-proxy_set_header X-Forwarded-Host   $host;
-proxy_set_header X-Forwarded-Port   $port;
 proxy_set_header X-Forwarded-For    $remote_addr;
 proxy_set_header X-Real-IP          $remote_addr;
 proxy_pass       $forward_scheme://$server:$port$request_uri;
diff --git a/docs/package.json b/docs/package.json
index ae416aaad..bd78e883a 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -394,7 +394,7 @@
     "map-age-cleaner": "^0.1.3",
     "map-cache": "^0.2.2",
     "map-visit": "^1.0.0",
-    "markdown-it": "^11.0.0",
+    "markdown-it": "^12.3.2",
     "markdown-it-anchor": "^5.3.0",
     "markdown-it-chain": "^1.3.0",
     "markdown-it-container": "^3.0.0",
@@ -434,7 +434,7 @@
     "neo-async": "^2.6.2",
     "nice-try": "^2.0.1",
     "no-case": "^3.0.3",
-    "node-forge": "^0.10.0",
+    "node-forge": "^1.0.0",
     "node-libs-browser": "^2.2.1",
     "node-releases": "^1.1.60",
     "nopt": "^4.0.3",
diff --git a/docs/yarn.lock b/docs/yarn.lock
index f3fc8b057..c051c9436 100644
--- a/docs/yarn.lock
+++ b/docs/yarn.lock
@@ -1686,6 +1686,11 @@ argparse@^1.0.10, argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
+argparse@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"
+  integrity sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==
+
 arr-diff@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
@@ -3744,10 +3749,10 @@ entities@^1.1.1, entities@~1.1.1:
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
   integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
 
-entities@^2.0.0, entities@^2.0.3, entities@~2.0.0:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/entities/-/entities-2.0.3.tgz#5c487e5742ab93c15abb5da22759b8590ec03b7f"
-  integrity sha512-MyoZ0jgnLvB2X3Lg5HqpFmn1kybDiIfEQmKzTb5apr51Rb+T3KdmMiqa70T+bhGnyv7bQ6WMj2QMHpGMmlrUYQ==
+entities@^2.0.0, entities@^2.0.3, entities@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-2.1.0.tgz#992d3129cf7df6870b96c57858c249a120f8b8b5"
+  integrity sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w==
 
 envify@^4.0.0, envify@^4.1.0:
   version "4.1.0"
@@ -4254,9 +4259,9 @@ flush-write-stream@^2.0.0:
     readable-stream "^3.1.1"
 
 follow-redirects@^1.0.0, follow-redirects@^1.12.1:
-  version "1.12.1"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.12.1.tgz#de54a6205311b93d60398ebc01cf7015682312b6"
-  integrity sha512-tmRv0AVuR7ZyouUHLeNSiO6pqulF7dYa3s19c6t+wz9LD69/uSzdMxJ2S91nTI9U3rt/IldxpzMOFejp6f0hjg==
+  version "1.14.7"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.7.tgz#2004c02eb9436eee9a21446a6477debf17e81685"
+  integrity sha512-+hbxoLbFMbRKDwohX8GkTataGqO6Jb7jGwpAlwgy2bIz25XtRm7KEzJM76R1WiNT5SwZkX4Y75SwBolkpmE7iQ==
 
 for-in@^1.0.2:
   version "1.0.2"
@@ -6135,13 +6140,13 @@ markdown-it-table-of-contents@^0.4.0, markdown-it-table-of-contents@^0.4.4:
   resolved "https://registry.yarnpkg.com/markdown-it-table-of-contents/-/markdown-it-table-of-contents-0.4.4.tgz#3dc7ce8b8fc17e5981c77cc398d1782319f37fbc"
   integrity sha512-TAIHTHPwa9+ltKvKPWulm/beozQU41Ab+FIefRaQV1NRnpzwcV9QOe6wXQS5WLivm5Q/nlo0rl6laGkMDZE7Gw==
 
-markdown-it@^11.0.0:
-  version "11.0.0"
-  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-11.0.0.tgz#dbfc30363e43d756ebc52c38586b91b90046b876"
-  integrity sha512-+CvOnmbSubmQFSA9dKz1BRiaSMV7rhexl3sngKqFyXSagoA3fBdJQ8oZWtRy2knXdpDXaBw44euz37DeJQ9asg==
+markdown-it@^12.3.2:
+  version "12.3.2"
+  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-12.3.2.tgz#bf92ac92283fe983fe4de8ff8abfb5ad72cd0c90"
+  integrity sha512-TchMembfxfNVpHkbtriWltGWc+m3xszaRD0CZup7GFFhzIgQqxIfn3eGj1yZpfuflzPvfkt611B2Q/Bsk1YnGg==
   dependencies:
-    argparse "^1.0.7"
-    entities "~2.0.0"
+    argparse "^2.0.1"
+    entities "~2.1.0"
     linkify-it "^3.0.1"
     mdurl "^1.0.1"
     uc.micro "^1.0.5"
@@ -6595,10 +6600,10 @@ node-forge@0.9.0:
   resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.9.0.tgz#d624050edbb44874adca12bb9a52ec63cb782579"
   integrity sha512-7ASaDa3pD+lJ3WvXFsxekJQelBKRpne+GOVbLbtHYdd7pFspyeuJHnWfLplGf3SwKGbfs/aYl5V/JCIaHVUKKQ==
 
-node-forge@^0.10.0:
-  version "0.10.0"
-  resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.10.0.tgz#32dea2afb3e9926f02ee5ce8794902691a676bf3"
-  integrity sha512-PPmu8eEeG9saEUvI97fm4OYxXVB6bFvyNTyiUOBichBpFG8A1Ljw3bY62+5oOjDEMHRnd0Y7HQ+x7uzxOzC6JA==
+node-forge@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-1.0.0.tgz#a025e3beeeb90d9cee37dae34d25b968ec3e6f15"
+  integrity sha512-ShkiiAlzSsgH1IwGlA0jybk9vQTIOLyJ9nBd0JTuP+nzADJFLY0NoDijM2zvD/JaezooGu3G2p2FNxOAK6459g==
 
 node-libs-browser@^2.2.1:
   version "2.2.1"
diff --git a/global/certbot-dns-plugins.js b/global/certbot-dns-plugins.js
index 7f7d8c327..3243aec23 100644
--- a/global/certbot-dns-plugins.js
+++ b/global/certbot-dns-plugins.js
@@ -102,6 +102,17 @@ dns_cloudxns_secret_key = 1122334455667788`,
 		full_plugin_name: 'dns-cloudxns',
 	},
 	//####################################################//
+	constellix: {
+		display_name:        'Constellix',
+		package_name:        'certbot-dns-constellix',
+		version_requirement: '~=0.2.1',
+		dependencies:        '',
+		credentials:         `dns_constellix_apikey = 5fb4e76f-ac91-43e5-f982458bc595
+dns_constellix_secretkey = 47d99fd0-32e7-4e07-85b46d08e70b
+dns_constellix_endpoint = https://api.dns.constellix.com/v1`,
+		full_plugin_name: 'dns-constellix',
+	},
+	//####################################################//
 	corenetworks: {
 		display_name:        'Core Networks',
 		package_name:        'certbot-dns-corenetworks',
diff --git a/scripts/frontend-build b/scripts/frontend-build
index 162502ca5..0e12cf068 100755
--- a/scripts/frontend-build
+++ b/scripts/frontend-build
@@ -3,7 +3,7 @@
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 . "$DIR/.common.sh"
 
-DOCKER_IMAGE=jc21/nginx-full:node
+DOCKER_IMAGE=nginxproxymanager/nginx-full:certbot-node
 
 # Ensure docker exists
 if hash docker 2>/dev/null; then